Home / 2,291,197.20-3,437,238.34-871,142.88

Finding the Fourth Proportional to 2,291,197.20, 3,437,238.34 and 871,142.88

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Solution

The fourth proportional to 2,291,197.20, 3,437,238.34 and 871,142.88 is: 1,306,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,197.20 : 3,437,238.34 = 871,142.88 : x
  2. Step 2: Convert to fraction form
    2,291,197.20/3,437,238.34 = 871,142.88/x
  3. Step 3: Cross multiply
    2,291,197.20x = 3,437,238.34 × 871,142.88
  4. Step 4: Simplify right side
    2,291,197.20x = 2,994,325,706,754.02
  5. Step 5: Solve for x
    x = 2,994,325,706,754.02/2,291,197.20
  6. Step 6: Final answer
    x = 1,306,882.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.